The Cleveland Show's premiere would have worked as a one-shot Family Guy episode:
Give Cleveland a family almost identical to Peter's: Hot wife, Fat, sort of dumb older son, daughter who parents are not happy with, smart-ass infant. But make them African-American and have a redneck be the neighbor. Yay, single-episode comedy . . . myrrrh (what, you thought I'd say "Gold"?).
But having him stay there instead of going to California (with an aching . . . in his heart)? Yeah, this will last more than one season. Only because they want to keep Seth MacFarlane happy. Just tough to watch. Of course, so was American Dad at first, and Family Guy's early episodes now play like a third-rate Simpsons wannabe. Both shows improved, so we'll see.
Family Guy premiere was pretty funny, though.